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Huawei HCIE-Routing&Switching (Written)(Huawei Certified ICT Expert-Routing & Switching) Sample Questions:

1. The following statement about cross-domain MPLS VPN, which is the wrong description?

A) For the cross-domain vPn-OptionA mode, the route between the two ASBR is a common IPv4 route.
B) When the public network label is only LDP, the cross-domain vp-Option-c scheme 2 needs to use three-layer labels in the packet forwarding process.
C) For the cross-domain vPN-OptionB mode, an MP-eBGP neighbor relationship needs to be established between the two ASBR.
D) For the cross-domain vPN-OptionB mode, two ASBR are interconnected by multiple interfaces (including sub-interfaces). Each interface is associated with one VPN. Each ASBR-PE uses the peer as the CE.

2. In the packet forwarding of the cross-domain VPN-Option B mode, the two ASBRs will exchange the LSP labels of the public network once.

A) True
B) False

3. The network administrator prepares to use the 6to4 automatic tunnel to carry IPv6 data on the IPv4 network. The IPv4 address of the router interface is 138.14.85.210, so the corresponding tunnel address is 2001:8a0e:55d2:1:230:65ff:fe2c:9a6.

A) True
B) False

4. Which of the following description is wrong about the MPLS BGP VPN?

A) The TTL field in the tag has the effect of preventing loops.
B) IBGP establishes a stable BGP neighbor relationship for the ARPback interface address.
C) BGP Soo is used to prevent routes routed from a VPN site from going back to the site through the MPLS backbone. Soo is an extended community attribute automatically generated by MP-BGP.
D) Route switching between PE and CE can be static route, OSPF multi-instance, IS-iS multi-instance, EBGP.

5. An engineer builds a network topology to study the working mechanism of OSPFv3 protocol. The configurations of R1 and R2 are as follows. What are the LSA types exchanged between R1 and R2? (Multiple Choice)

R1 configuration
ospfv3 1
router-id 1.1.1.1
interface Gigabitethernet0/0/0
ipv6 enable
ipv6 address auto link-local
ospfv3 1 area 0
R2 configuration
ipv6
ospfv3 1
router-id 2.2.2.2
interface Gigabitethernet0/0/0
ipv6 enable
ipv6 address auto link-local
ospfv3 1 area 0. 0 0.0

A) Inter-area-prefix-lsa
B) Link-LSA
C) Router-lsa
D) Network-LSA

Solutions: